propose supply & install one lot of audio/video intercom system comprising master and slave stations, EM-Look and related interconnecting cables as shown c/w two way communication between the entrance. main/side door(please refer to drawing for the intercom location).necessary accessories and .All outdoor equipment shall be IP 65 weather-proof. the system shall be complete with necessary cabling and wiring, conduits, lead-in pipes, testing,commissioning, etc. and associated accessories. (system are subjected to client and consultant approval) (supplier subjected to client / consultant approval) ( refer to annex a technical specification and deem included)